Add Mixpost to Analytics (#3862)

Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -132,6 +132,7 @@ _Related: [Database Management](#database-management), [Personal Dashboards](#pe
 - [GoatCounter](https://www.goatcounter.com) - Easy web statistics without tracking of personal data. ([Source Code](https://github.com/zgoat/goatcounter)) `EUPL-1.2` `Go`
 - [Matomo](https://matomo.org/) - Google Analytics alternative that protects your data and your customers' privacy. ([Source Code](https://github.com/matomo-org/matomo)) `GPL-3.0` `PHP`
 - [Metabase](https://metabase.com/) - Easy, open-source way for everyone in your company to ask questions and learn from data. ([Source Code](https://github.com/metabase/metabase)) `AGPL-3.0` `Java/Docker`
+- [Mixpost](https://mixpost.app/) - Self-hosted social media management software. Easily create, schedule, publish, and manage social media content in one place. Alternative to Hootsuite, Buffer, and other social media tools. ([Source Code](https://github.com/inovector/MixpostApp)) `MIT` `PHP/Docker`
 - [Netron](https://netron.app/) - Visualizer for neural network and machine learning models. ([Source Code](https://github.com/lutzroeder/netron)) `MIT` `Python/Nodejs`
 - [Offen](https://www.offen.dev/) - Fair, lightweight and open web analytics tool. Gain insights while your users have full access to their data. ([Demo](https://www.offen.dev/try-demo/), [Source Code](https://github.com/offen/offen)) `Apache-2.0` `Go/Docker`
 - [Open Web Analytics](http://www.openwebanalytics.com/) - Web analytics framework that lets you stay in control of how you instrument and analyze the use of your websites and applications. ([Source Code](https://github.com/padams/Open-Web-Analytics)) `GPL-2.0` `PHP`